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One thing that rather irritated me though was the 'simplified' description of what happens on the scale of electrons, which I felt often made things more confusing, especially since most readers will be familiar with the workings of the devices concerned anyway. For instance radar is described as forcing electrons in the target to jostle around and thus transmitting a signal that can be detected. Why couldn't he just say that the radio beam is reflected? Also I didn't really think that the chapter on moods fitted in to the theme of the book. OK most things are related to electricity, but I felt Bodanis could have chosen something more directly relevant.